Nomenclature
CAS number: 13530-57-9
AlO
8RbS
2; mol wt 304.57.
Al 8.86%, O 42.02%, Rb 28.06%, S 21.06%.
RbAl(SO
4)
2.
Description and references
Prepn: Gmelins, Aluminum (8th ed) 35B, p 525-527 (1934). Crystal structure of
dodecahydrate: Larson, Cromer, Acta Crystallogr. 22, 793 (1967).
Derivative
Dodecahydrate.
Nomenclature
Rubidium alum. Properties
Crystals, mp reported from 99 to 109°. Sol in water. Practically insol
in alc.Status
This monograph has been retired and is no longer subject
to revision or update.